# Bubble Flat vs Chess Board

The clearest difference is ads: Bubble Flat at none against Chess Board's shown. Bubble Flat also leads on update cadence (every 2 months vs every 59 months) and iOS requirement (6.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bubble Flat ships an update every 2 months, Chess Board every 59 months. The most recent releases landed on October 26, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Bubble Flat | Chess Board |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/chess-board-two-players/id1064777220/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 59 months |
| Monetization | — | Free |
| Size | 105 MB | 9 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vadim Shendrikov](https://appshunter.io/developer/969146966) | [Yuki Honda](https://appshunter.io/developer/397681963) |

## What reviewers say

### Bubble Flat

[App page](https://appshunter.io/ios/app/bubble-flat-bubble-blast/id1061536778)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Board

[App page](https://appshunter.io/ios/app/chess-board-two-players/id1064777220)

Play chess against another person on a digital board. Move pieces by selecting or dragging them. Features include undo, redo, and reversing the board.

**Highlights:** Two-player mode, Piece selection and dragging, Undo and redo moves, Reverse board option, Start from beginning, Intuitive icon-based controls

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Flat free?

Bubble Flat is free to download, with no in-app purchases.

### Is Chess Board free?

Chess Board is free to download, with no in-app purchases.

### Do Bubble Flat or Chess Board have ads?

Chess Board shows ads; Bubble Flat does not.

### Which is updated more often, Bubble Flat or Chess Board?

Bubble Flat ships an update every 2 months, and Chess Board every 59 months. Most recently, Bubble Flat was updated on October 26, 2026 and Chess Board on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*